576  
WHUS52 KCHS 302358  
SMWCHS  
AMZ370-372-310200-  
/O.NEW.KCHS.MA.W.0069.250530T2358Z-250531T0200Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
758 PM EDT FRI MAY 30 2025  
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING  
FROM 20 TO 40 NM...  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO 40  
NM...  
 
* UNTIL 1000 PM EDT.  
 
* AT 758 PM EDT, A STRONG THUNDERSTORM WAS LOCATED OVER EDISTO  
OFFSHORE REEF, MOVING EAST AT 40 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS  
AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
MAINLY OPEN WATERS OF WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO  
BEACH SC EXTENDING FROM 20 TO 40 NM AND WATERS FROM EDISTO BEACH  
SC TO SAVANNAH GA EXTENDING FROM 20 TO 40 NM.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
REPORT SEVERE WEATHER TO THE COAST GUARD OR NEAREST LAW ENFORCEMENT  
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE  
OFFICE.  
 

 
 
LAT...LON 3203 7993 3239 7972 3240 7909 3238 7915  
3236 7919 3233 7924 3231 7928 3228 7932  
3226 7935 3222 7940 3218 7945 3215 7948  
3213 7952 3210 7957 3208 7960 3206 7962  
3204 7966 3201 7970 3200 7974 3199 7976  
TIME...MOT...LOC 2358Z 276DEG 38KT 3220 7985  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...40 KTS  
 

 
 
BSH  
 
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